| BSE Volume Toppers | Updated on May 18, 2012 |
| Scripts | Total Traded Volume (Nos.) |
| State Bank of India | 2,112,289 |
| Tata Steel Ltd. | 1,667,764 |
| ICICI Bank Ltd. | 519,247 |
| Oil And Natural Gas Corporation Ltd. | 207,191 |
| NTPC Ltd. | 190,814 |
| NSE Volume Toppers | Updated on May 18, 2012 |
| Scripts | Total Traded Volume (Nos.) |
| State Bank of India | 8,872,207 |
| Infrastructure Development Finance Company Ltd. | 6,691,317 |
| Tata Steel Ltd. | 6,198,191 |
| ICICI Bank Ltd. | 4,433,011 |
| Housing Development Finance Corporation Ltd. | 4,204,806 |
